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Special Angles

STUDY
PLAY
sin(0) (both radians and degrees)
0
cos(0) (both radians and degrees)
1
sin(30)
1/2
sin(π/6)
1/2
cos(30)
√3/2
cos(π/6)
√3/2
sin(45)
√2/2
sin(π/4)
√2/2
cos(45)
√2/2
cos(π/4)
√2/2
sin(60)
√3/2
sin(π/3)
√3/2
cos(60)
1/2
cos(π/3)
1/2
sin(90)
1
sin(π/2)
1
cos(90)
0
cos(π/2)
0
sin(180)
0
sin(π)
0
cos(180)
-1
cos(π)
-1
sin(270)
-1
sin(3π/2)
-1
cos(270)
0
sin(360)
0
sin(2π)
0
cos(360)
1
cos(2π)
1